[Qemu-devel] [PATCH] spapr-rtas: reset top 4 bits in parameters address

[Alexey Kardashevskiy <aik@ozlabs.ru>]

On the real hardware, RTAS is called in real mode and therefore
ignores top 4 bits of the address passed in the call.

This fixes QEMU to do the same thing.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
---
 hw/ppc/spapr_rtas.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index eb542f2..ab03d67 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -240,7 +240,8 @@ target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPREnvironment *spapr,
         struct rtas_call *call = rtas_table + (token - TOKEN_BASE);
 
         if (call->fn) {
-            call->fn(cpu, spapr, token, nargs, args, nret, rets);
+            call->fn(cpu, spapr, token, nargs, args & 0x0FFFFFFFFFFFFFFFUL,
+                     nret, rets);
             return H_SUCCESS;
         }
     }
-- 
1.8.4.rc4